Testcase from regression workspace, bug6192376.java is failing on Solaris but passing on Windows and Linux platforms with Tiger JDKS.

Testcase Location:
==================
/net/urts071.india/export6/testSuites/Regression/workspace_150/test/javax/swing/JPopupMenu/6192376/bug6192376.java

JDK:
====
java -version
java version "1.5.0_07-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_07-ea-b01)
Java HotSpot(TM) Client VM (build 1.5.0_07-ea-b01, mixed mode, sharing)

Operating System:
================
cat /etc/release
Solaris 10 1/06 s10x_u1wos_17 X86
Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
Use is subject to license terms.
Assembled 25 October 2005


Steps to reproduce:
===================
1. Install JDK in test machine.
2. copy attached bug6192376.java, Util.java and JRobot.java files into test machine.
3. Compile all .java files with tested JDK with following command:
   <jdk location>/bin/javac *.java
4. Start the test with the following command:
   <jdk location>/bin/java bug6192376

Expected:
--------
Test should PASS .
Actual:
--------
bash-3.00$ /export/updates/jdks/jdk1.5.0_07/bin/java bug6192376
Exception in thread "main" java.lang.RuntimeException: Popup does not disappear on focus lost with custom key set
        at bug6192376.main(bug6192376.java:89)